Bump org.jetbrains.kotlin.plugin.allopen from 2.2.10 to 2.2.20

Bumps [org.jetbrains.kotlin.plugin.allopen](https://github.com/JetBrains/kotlin) from 2.2.10 to 2.2.20.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.2.10...v2.2.20)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin.plugin.allopen
  dependency-version: 2.2.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
   id("org.jetbrains.kotlin.jvm") version "2.2.10"
-  id("org.jetbrains.kotlin.plugin.allopen") version "2.2.10"
+  id("org.jetbrains.kotlin.plugin.allopen") version "2.2.20"
   id("com.google.devtools.ksp") version "2.2.10-2.0.2"
   id("com.github.johnrengelman.shadow") version "8.1.1"
   id("io.micronaut.application") version "4.5.4"